@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,500;8..60,600;8..60,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --ink: #1B2430;
  --ink-soft: #3B4759;
  --paper: #EDEEE7;
  --paper-raised: #F7F7F2;
  --navy: #1F3A5F;
  --navy-dark: #16293F;
  --brass: #A6771F;
  --brass-soft: #E8DAB8;
  --brick: #8C3A2B;
  --brick-soft: #F1DDD6;
  --sage: #4C6B52;
  --sage-soft: #DCE6DB;
  --line: #D3CFBF;
  --line-soft: #E3E0D3;
  --shadow: 0 1px 2px rgba(27,36,48,0.06), 0 4px 14px rgba(27,36,48,0.06);
  --radius: 3px;
  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}
a { color: inherit; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 15% 20%, rgba(31,58,95,0.06), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(166,119,31,0.08), transparent 45%),
    var(--paper);
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 36px 32px;
  position: relative;
}
.login-seal {
  width: 56px; height: 56px;
  border: 2px solid var(--brass);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--brass);
  transform: rotate(-4deg);
}
.login-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  text-align: center;
  margin: 0 0 4px;
  color: var(--navy-dark);
}
.login-sub {
  text-align: center;
  color: var(--ink-soft);
  font-size: 13px;
  margin: 0 0 28px;
}
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 6px;
  font-weight: 600;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 80px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.1s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { filter: brightness(1.12); }
.btn-block { width: 100%; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { background: var(--line-soft); }
.btn-danger { background: var(--brick); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.login-error {
  background: var(--brick-soft); color: var(--brick);
  border-radius: var(--radius);
  padding: 10px 12px; font-size: 13px; margin-bottom: 16px;
  display: none;
}
.login-demo {
  margin-top: 24px; padding-top: 20px; border-top: 1px dashed var(--line);
  font-size: 12px; color: var(--ink-soft);
}
.login-demo table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.login-demo td { padding: 3px 0; }
.login-demo .demo-role { font-weight: 600; color: var(--navy); width: 70px; }
.login-demo .demo-cred { font-family: var(--font-mono); font-size: 11.5px; cursor: pointer; }
.login-demo .demo-cred:hover { color: var(--brass); }

/* ---------- App Shell ---------- */
#app { display: none; min-height: 100vh; }
#app.active { display: flex; }

.sidebar {
  width: 236px;
  flex-shrink: 0;
  background: var(--navy-dark);
  color: #E9ECF1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.brand {
  padding: 22px 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; gap: 10px;
}
.brand-seal {
  width: 34px; height: 34px; border: 1.5px solid var(--brass); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; color: var(--brass); font-size: 14px;
  transform: rotate(-4deg); flex-shrink: 0;
}
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 15px; line-height: 1.2; }
.brand-sub { font-size: 10.5px; color: #9AA7BC; letter-spacing: 0.05em; text-transform: uppercase; margin-top: 2px; }

.nav { flex: 1; padding: 14px 10px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius);
  color: #C4CCDA;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: 2px;
  position: relative;
}
.nav-item .tab-index {
  font-family: var(--font-mono); font-size: 10px; color: #6B7A93;
  width: 20px; flex-shrink: 0;
}
.nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-item.active { background: rgba(166,119,31,0.18); color: #fff; }
.nav-item.active .tab-index { color: var(--brass); }
.nav-item.active::before {
  content: ''; position: absolute; left: -10px; top: 4px; bottom: 4px; width: 3px;
  background: var(--brass); border-radius: 2px;
}
.nav-section-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em;
  color: #6B7A93; padding: 14px 12px 6px;
}

.user-box {
  padding: 14px 18px; border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; gap: 10px;
}
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--brass); color: var(--navy-dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; flex-shrink: 0;
}
.user-meta { flex: 1; min-width: 0; }
.user-name { font-size: 12.5px; font-weight: 600; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 10.5px; color: #9AA7BC; text-transform: capitalize; }
.logout-btn { background: none; border: none; color: #9AA7BC; cursor: pointer; padding: 4px; }
.logout-btn:hover { color: #fff; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  padding: 18px 32px; border-bottom: 1px solid var(--line);
  background: var(--paper-raised);
  display: flex; align-items: center; justify-content: space-between;
}
.page-title { font-family: var(--font-display); font-size: 22px; font-weight: 600; color: var(--navy-dark); margin: 0; }
.page-sub { font-size: 12.5px; color: var(--ink-soft); margin-top: 2px; }
.content { padding: 28px 32px 60px; overflow-y: auto; }

/* ---------- Cards / Records ---------- */
.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.card-header {
  padding: 16px 20px; border-bottom: 1px solid var(--line-soft);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.card-header h3 { font-family: var(--font-display); font-size: 16px; margin: 0; color: var(--navy-dark); }
.card-body { padding: 20px; }
.card-body.tight { padding: 0; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.stat-card .tab-index { position: absolute; top: 10px; right: 12px; font-family: var(--font-mono); font-size: 10px; color: var(--line); }
.stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); font-weight: 600; margin-bottom: 8px; }
.stat-value { font-family: var(--font-display); font-size: 30px; font-weight: 600; color: var(--navy-dark); }
.stat-foot { font-size: 11.5px; color: var(--ink-soft); margin-top: 4px; }
.stat-card.accent-brass .stat-value { color: var(--brass); }
.stat-card.accent-brick .stat-value { color: var(--brick); }
.stat-card.accent-sage .stat-value { color: var(--sage); }

/* ---------- Table ---------- */
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th {
  text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--ink-soft); font-weight: 600; padding: 10px 20px; border-bottom: 1px solid var(--line);
  background: rgba(31,58,95,0.03);
}
table.data-table td { padding: 11px 20px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: rgba(31,58,95,0.02); }
.mono { font-family: var(--font-mono); font-size: 12.5px; }
.empty-state { padding: 48px 20px; text-align: center; color: var(--ink-soft); }
.empty-state .glyph { font-size: 28px; margin-bottom: 10px; opacity: 0.5; }

/* ---------- Stamp badges (signature element) ---------- */
.stamp {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 10px; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 1.5px dashed currentColor;
  border-radius: 20px;
  transform: rotate(-2deg);
}
.stamp-active, .stamp-paid, .stamp-approved, .stamp-present { color: var(--sage); background: var(--sage-soft); }
.stamp-pending, .stamp-partial, .stamp-late { color: var(--brass); background: var(--brass-soft); }
.stamp-inactive, .stamp-unpaid, .stamp-rejected, .stamp-absent, .stamp-suspended { color: var(--brick); background: var(--brick-soft); }
.stamp-graduated { color: var(--navy); background: #DCE3EC; }

.pill { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; background: var(--line-soft); color: var(--ink-soft); }

/* ---------- Forms / modals ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(22,30,42,0.5);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 5vh 20px; overflow-y: auto; z-index: 100;
}
.modal {
  background: var(--paper-raised); border-radius: var(--radius); border: 1px solid var(--line);
  width: 100%; max-width: 520px; box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.modal-header { padding: 18px 24px; border-bottom: 1px solid var(--line-soft); display: flex; justify-content: space-between; align-items: center; }
.modal-header h3 { font-family: var(--font-display); margin: 0; font-size: 17px; color: var(--navy-dark); }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--ink-soft); line-height: 1; }
.modal-body { padding: 20px 24px; }
.modal-footer { padding: 14px 24px; border-top: 1px solid var(--line-soft); display: flex; justify-content: flex-end; gap: 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .span-2 { grid-column: 1 / -1; }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.search-input { padding: 9px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; min-width: 220px; }
.select-input { padding: 9px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.spacer { flex: 1; }

.toast-stack { position: fixed; bottom: 20px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--navy-dark); color: #fff; padding: 12px 18px; border-radius: var(--radius);
  font-size: 13px; box-shadow: 0 6px 20px rgba(0,0,0,0.25); border-left: 3px solid var(--brass);
  animation: slide-in 0.2s ease;
}
.toast.error { border-left-color: var(--brick); }
@keyframes slide-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.notice-item { padding: 14px 20px; border-bottom: 1px solid var(--line-soft); }
.notice-item:last-child { border-bottom: none; }
.notice-title { font-weight: 600; font-size: 13.5px; color: var(--navy-dark); margin-bottom: 3px; }
.notice-body { font-size: 12.5px; color: var(--ink-soft); line-height: 1.5; }
.notice-meta { font-size: 10.5px; color: var(--brass); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 6px; font-weight: 600; }

.two-col { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 920px) { .two-col { grid-template-columns: 1fr; } }

.attendance-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.attendance-toggle button {
  border: none; background: #fff; padding: 5px 12px; font-size: 11px; font-weight: 600; cursor: pointer;
  text-transform: uppercase; letter-spacing: 0.03em; color: var(--ink-soft);
}
.attendance-toggle button.sel-present.active { background: var(--sage-soft); color: var(--sage); }
.attendance-toggle button.sel-late.active { background: var(--brass-soft); color: var(--brass); }
.attendance-toggle button.sel-absent.active { background: var(--brick-soft); color: var(--brick); }

.progress-bar { height: 6px; background: var(--line-soft); border-radius: 4px; overflow: hidden; margin-top: 6px; }
.progress-bar-fill { height: 100%; background: var(--sage); }
.progress-bar-fill.low { background: var(--brick); }
.progress-bar-fill.mid { background: var(--brass); }

.loading { padding: 40px; text-align: center; color: var(--ink-soft); font-size: 13px; }

@media (max-width: 800px) {
  .sidebar { position: fixed; z-index: 90; transform: translateX(-100%); transition: transform 0.2s ease; }
  .sidebar.open { transform: translateX(0); }
  .content { padding: 20px 16px 60px; }
  .topbar { padding: 14px 16px; }
  .form-grid { grid-template-columns: 1fr; }
}